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Data Set Maintenance: Data set standard item. Data set author(s): Lumbsch H. T. & Guderley R. (98-09-01). Data set to be published after submission; 98-09-01.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Lumbsch, H.T., J. Hattori Bot. Lab. 77: 1-175 [142-145] (1994).

Thallus: Not subdivided parts, rimose or areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Verruculose, lemon (citrine) or pale grey, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verruculose, smooth, not flexuose, persistent, prominent or distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brown or brownish yellow, epruinose, pruina scarce. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 15-23-35 µm wide, not basally widened, 15-23-35 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, oblong, (14)-14.5-17.5-20.5-(21) µm long, (4)-4.5-5.5-6.5 µm wide; wall thin, not ornamented.

Secondary Metabolites: Arthothelin (2,4,5-trichloronorlichexanthone), atranorin, hopane-6a,22-diol, and thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), of the following substance class(es): orcinol depsides, xanthones, and (tri-)terpenoids.

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